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24-Bit ADC Performs High-Res Measurements

Designed for high-resolution measurements in portable products, the ADS1244 a/d converter consists of a third-order delta-sigma modulator and digital filter. The analog modulator has a ±5V differential input stage and the digital filter rejects 50/60 Hz signals, settles in one cycle, and outputs data at a 15-samples/s pace. The 24-bit ADC also features a two-wire serial interface, a power consumption of less than 270 µW in operation and less than 1 µW in sleep mode, and support for 2.5V to 5.25V analog and 1.8V to 3.6V digital power supplies. Multiple ADS1244s can be connected together to create a synchronously sampling multi-channel measurement system. When single conversions are needed, the sleep mode can be used to shut down the device when idle between measurements. Price of the ADC in a MSOP-10 package is $2.95 each/1,000. TEXAS INSTRUMENTS INC., Dallas, TX. (800) 477-8924 ext 4500.

Company: TEXAS INSTRUMENTS INC.

Product URL: Click here for more information

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